/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package at.irian.demo.jsfatwork.view;

import at.irian.demo.jsfatwork.domain.Group;
import at.irian.demo.jsfatwork.domain.User;
import at.irian.demo.jsfatwork.service.GroupService;
import at.irian.demo.jsfatwork.service.UserService;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;

import javax.annotation.PostConstruct;
import javax.inject.Inject;

/**
 * @author Gerhard Petracek
 */
@TestBean
public class TestdataBuilder
{
    protected TransactionTemplate transactionTemplate;

    private UserService userService;

    private GroupService groupService;

    //needed for creating proxies
    protected TestdataBuilder()
    {
    }

    @Inject
    public TestdataBuilder(PlatformTransactionManager platformTransactionManager, UserService userService, GroupService groupService)
    {
        this.userService = userService;
        this.groupService = groupService;
        transactionTemplate = new TransactionTemplate(platformTransactionManager);
    }

    @PostConstruct
    public void setup()
    {
        try
        {
            init();
        }
        catch (Throwable t)
        {
            t.printStackTrace();
        }
    }

    private void init()
    {
        this.transactionTemplate.execute(new TransactionCallback()
        {
            public Object doInTransaction(TransactionStatus transactionStatus)
            {
                User guest = createGuestUser();
                createPublicGroup(guest);
                return null;
            }
        });
    }

    private User createGuestUser()
    {
        User guest = new User();
        guest.setUserName("guest");
        guest.setPassword("guest");
        guest.setFirstName("guest");
        guest.setLastName("guest");

        this.userService.save(guest);
        return guest;
    }

    private void createPublicGroup(User guest)
    {
        Group publicGroup = new Group();
        publicGroup.setName("public");
        publicGroup.addUser(guest);
        this.groupService.save(publicGroup);
    }
}